Trolley for rapidly scanning rail bottom

Abstract

The utility model discloses a trolley for rapidly scanning a rail bottom. The trolley comprises a frame assembly, a rotating assembly, an ultrasonic flaw detector host, a coupling liquid barrel and a battery assembly, the rotating assembly can be rotationally connected with the two sides of the bottom of the frame assembly; the ultrasonic flaw detector host is connected to the frame assembly and is connected with the water wheel of the rotating assembly; the coupling liquid barrel is connected with the frame assembly and connected with the spray head body on the rotating assembly. The battery assembly is connected with the frame assembly and the rotating assembly. The utility model has the beneficial effects that the use is more efficient and more convenient; damage identification can be performed on the inner and outer rail bottoms of the steel rail at the same time; the rail bottom rapid scanning trolley is a beneficial supplement for steel rail flaw detection, improves all-directional recognition of the damage condition of the whole steel rail, and improves the detection efficiency and the recognition rate.

Description

Technical Field

[0001] The utility model relates to the technical field of rail flaw detection, in particular to a rail bottom flaw detection scanning device. Background Art

[0002] Rails are important components of railway tracks. With the continuous increase in train speed, the safety requirements for tracks are also getting higher and higher. However, with the long-term operation of trains, the damage to the tracks is also increasing, thus affecting driving safety. At present, the inspection of railway rails adopts the rail flaw detection vehicle technology based on longitudinal wave and transverse wave methods. This technology can only detect the rail head and rail waist and their extended parts. Since the cross-section of the rail is in the shape of an "I", the areas on both sides of the rail bottom cannot be inspected. The cross-sectional shape and structure of the rail bottom are irregular, and the force is uneven. Once there are defects, it is easy to cause the rail bottom to break and threaten driving safety. It is necessary to develop a new method for non-destructive detection of rail bottom defects.

[0003] The current rail bottom welds are inspected using single / dual / multiple probe methods and manual testing. A scanning frame is used to move and adjust the probe angle for inspection. If an abnormality is found, the specific location is determined by repeatedly moving the probes and touching them manually. This is inefficient and requires too much manpower and time.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as acknowledging or suggesting in any form that the information constitutes the prior art known to those skilled in the art. Utility Model Content

[0005] The technical problem to be solved by the utility model is how to solve the problem of low efficiency and long time consumption in the current manual testing of the rail bottom weld.

[0006] The utility model solves the above technical problems through the following technical means:

[0007] The rail bottom rapid scanning trolley comprises a frame assembly, a rotating assembly, an ultrasonic flaw detector host, a coupling liquid barrel, and a battery assembly; the rotating assembly can be rotatably connected to the two sides of the bottom of the frame assembly; the ultrasonic flaw detector host is connected to the frame assembly and connected to the water wheel of the rotating assembly; the coupling liquid barrel is connected to the frame assembly and connected to the nozzle body on the rotating assembly; the battery assembly is connected to the frame assembly and connected to the rotating assembly.

[0008] In the utility model, the rail bottom rapid scanning trolley adopts a rotating component to detect flaws on both sides of the rail bottom, integrates an ultrasonic flaw detector host and a coupling liquid barrel, can perform flaw detection during the pushing and walking process, and is more efficient and convenient to use; it can simultaneously identify and appraise the damage of both the inner and outer rail bottoms of the rail; the rail bottom rapid scanning trolley is a beneficial supplement to rail flaw detection, improves the all-round identification of damage conditions of the entire rail, improves detection efficiency, and recognition rate; it is lighter, more convenient to operate, and is more easily transported with a high degree of integration.

[0009] Preferably, the frame assembly includes a mounting frame, an armrest, a running wheel assembly, and a coding wheel assembly; the mounting frame accommodates a coupling liquid barrel inside; mounting feet extend downward at both ends of the bottom of the mounting frame, the running wheel assembly is connected to one end of the bottom of the mounting frame and is connected to the mounting foot, and the coding wheel assembly is connected to the other end of the bottom of the mounting frame and is connected to the mounting foot; the armrest is connected to the top of the mounting frame, and the ultrasonic flaw detector host is connected to the armrest; the rotating assembly is connected to both sides of the bottom of the mounting frame; and the battery assembly is connected to the outer wall of the mounting frame.

[0010] Preferably, the mounting frame includes a top plate, a first side plate, a second side plate, a bottom frame, a limiting rod, and a fixing column; the first side plate and the second side plate are arranged at intervals, and the top plate connects the tops of the first side plate and the second side plate; the limiting rod connects the rear ends of the first side plate and the second side plate, and the front end of the mounting frame is a coupling liquid barrel push-in port; both ends of the bottom of the first side plate and the second side plate extend downward to form mounting feet, the fixing column connects the running wheel assembly to the mounting feet of the first side plate and the second side plate, and the fixing column connects the encoding wheel assembly to the mounting feet of the first side plate and the second side plate; the bottom frame is connected to the top of the running wheel assembly and the encoding wheel assembly.

[0011] Preferably, the running wheel assembly comprises a running wheel bracket and a running wheel body, the running wheel body is connected to the running wheel shaft, and the two ends of the running wheel shaft are connected to the running wheel bracket; the encoding wheel assembly comprises an encoding wheel bracket and an encoding wheel body, the encoding wheel body is connected to the encoding wheel shaft, and the two ends of the encoding wheel shaft are connected to the encoding wheel bracket.

[0012] Preferably, the rotating assembly includes a reduction motor, a motor fixing plate, a rotating arm, a water wheel, a positioning wheel assembly, and a nozzle assembly; the motor fixing plate is connected to the bottom of the frame assembly, the fixed end of the reduction motor is connected to the motor fixing plate, and the output shaft of the reduction motor is connected to the top of the rotating arm; the water wheel is connected to the end of the rotating arm; the positioning wheel assembly is connected to the middle part of the rotating arm, and the nozzle assembly is connected to the bottom end of the rotating arm.

[0013] The rotating assembly can drive the water wheel to quickly fit the working position through the rotation of the reduction motor. The positioning wheels on both sides are responsible for clamping the rails, so that the water wheels on both sides are always in the best position for flaw detection relative to the rails.

[0014] Preferably, the positioning wheel assembly includes a positioning plate and a positioning wheel body, the middle part of the positioning plate is connected to the rotating arm, the positioning wheel body is connected to the end of the positioning plate, and the positioning wheel body is tightly attached to the side of the track during flaw detection; the nozzle assembly includes a water spray plate and a nozzle body, the middle part of the water spray plate is fixedly connected to the bottom of the rotating arm, the nozzle body is connected to both ends of the water spray plate, and the nozzle body is connected to the coupling liquid barrel through a hose.

[0015] Preferably, a liquid adding channel is provided in the rotating arm, a liquid adding tube extends out of the water wheel, the liquid adding channel is communicated with the liquid adding tube, a liquid adding joint is connected to the side of the rotating arm, and the liquid adding joint is connected to the liquid adding channel.

[0016] Preferably, it further comprises an indexing pin, wherein the indexing pin is connected to both ends of the motor fixing plate, and the head of the indexing pin can be telescopically inserted into the fixing hole of the rotating arm.

[0017] Rotate the tail of the indexing pin, and the head of the indexing pin pops forward due to the action of the spring and is inserted into the corresponding hole of the rotating arm. At this time, the rotating arm will not swing at will after the reduction motor is powered off, which is convenient for transportation, maintenance and other work.

[0018] Preferably, it also includes a universal ball head assembly and a quick installation bracket, one end of the universal ball head assembly is connected to the top of the frame assembly, the other end of the universal ball head assembly is connected to the quick installation bracket, and the ultrasonic flaw detector host is connected to the quick installation bracket.

[0019] Preferably, the quick installation bracket includes a support base, a support leg, at least two movable clamps, and a tension spring; the support leg is fixedly connected to the bottom of the support base, the middle part of the movable clamp is movably connected to the support base through a first screw, the bottom end of the movable clamp is slidably connected to the waist-shaped groove of the support base, and the two ends of the tension spring are respectively connected to the two movable clamps.

[0020] The advantages of the utility model are:

[0021] In the utility model, the rail bottom rapid scanning trolley adopts a rotating component to detect flaws on both sides of the rail bottom, integrates an ultrasonic flaw detector host and a coupling liquid barrel, can perform flaw detection during the pushing and walking process, and is more efficient and convenient to use; it can simultaneously identify and appraise the damage of both the inner and outer rail bottoms of the rail; the rail bottom rapid scanning trolley is a beneficial supplement to rail flaw detection, improves the all-round identification of damage conditions of the entire rail, improves detection efficiency, and recognition rate; it is lighter, more convenient to operate, and is more easily transported with a high degree of integration.

[0022] The rotating assembly can drive the water wheel to quickly fit the working position through the rotation of the reduction motor. The positioning wheels on both sides are responsible for clamping the rails, so that the water wheels on both sides are always in the best position for flaw detection relative to the rails.

[0023] Rotate the tail of the indexing pin, and the head of the indexing pin pops forward due to the action of the spring and is inserted into the corresponding hole of the rotating arm. At this time, the rotating arm will not swing at will after the reduction motor is powered off, which is convenient for transportation, maintenance and other work. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a schematic structural diagram of a rail bottom rapid scanning trolley according to an embodiment of the utility model;

[0025] Figure 2 It is a structural schematic diagram of the framework assembly of the embodiment of the utility model;

[0026] Figure 3 It is an exploded schematic diagram of the framework assembly of the embodiment of the utility model;

[0027] Figure 4 is a side view of a frame assembly of an embodiment of the utility model;

[0028] Figure 5 This is a schematic diagram of the connection between the rotating assembly and the base frame of the embodiment of the utility model;

[0029] Figure 6 It is a structural schematic diagram of a running wheel assembly according to an embodiment of the utility model;

[0030] Figure 7 It is a schematic diagram of the structure of the coding wheel assembly of the embodiment of the utility model;

[0031] Figure 8 It is a schematic diagram of the structure of the rotating assembly of the embodiment of the utility model;

[0032] Fig. 9 It is a schematic diagram of the structure of the rotating assembly of the embodiment of the utility model;

[0033] Fig.10 It is a schematic diagram of the structure of the rotating assembly of the embodiment of the utility model;

[0034] Fig.11 It is a side view of the rotating assembly of the embodiment of the utility model;

[0035] Fig.12 This is a working schematic diagram of the rail bottom rapid scanning trolley according to an embodiment of the utility model;

[0036] Fig.13 This is a working schematic diagram of the rail bottom rapid scanning trolley according to an embodiment of the utility model;

[0037] Fig.14 yes Fig.13 Enlarged view of point A in the middle;

[0038] Fig.15 It is a structural schematic diagram of a balancing rod assembly according to an embodiment of the utility model;

[0039] Fig.16 It is a schematic diagram of a quick installation bracket and a universal ball head assembly according to an embodiment of the utility model;

[0040] Fig.17 It is a schematic diagram of a quick installation bracket according to an embodiment of the utility model;

[0041] Numbers in the figure:

[0042] 1. Frame assembly; 11. Mounting frame; 111. Top plate; 112. First side plate; 113. Second side plate; 114. Base frame; 115. Limit rod; 116. Fixed column; 12. Handrail; 13. Running wheel assembly; 131. Running wheel bracket; 132. Running wheel body; 14. Encoding wheel assembly; 141. Encoding wheel bracket; 142. Encoding wheel body;

[0043] 2. Rotating assembly; 21. Speed ​​reduction motor; 22. Motor fixing plate; 23. Rotating arm; 231. Liquid filling joint; 232. Fixing hole; 233. Locking bolt; 24. Water wheel; 25. Positioning wheel assembly; 251. Positioning plate; 252. Positioning wheel body; 26. Spray head assembly; 261. Spraying plate; 262. Spray head body;

[0044] 3. Ultrasonic flaw detector host;

[0045] 4. Coupling fluid barrel;

[0046] 5. Battery components;

[0047] 6. Balance bar assembly; 61. Balance bar fixing seat; 62. Balance bar body; 63. Balance wheel set; 64. Electric push rod; 65. Push rod mounting seat; 66. Connecting arm; 67. Sliding rod;

[0048] 7. Quick installation bracket; 71. Support base; 72. Legs; 73. Movable clamp; 74. Tension spring; 75. First screw; 76. Plug screw;

[0049] 8. Universal ball head assembly;

[0050] 9. Track. DETAILED DESCRIPTION

[0051] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0052] Embodiment 1:

[0053] like Figure 1 Combined with 8. Fig. 9 As shown, the rail bottom rapid scanning trolley includes a frame assembly 1, a rotating assembly 2, an ultrasonic flaw detector host 3, a coupling liquid barrel 4, and a battery assembly 5; the rotating assembly 2 can be rotatably connected to the bottom two sides of the frame assembly 1; the ultrasonic flaw detector host 3 is connected to the frame assembly 1 and is connected to the water wheel 24 of the rotating assembly 2; the coupling liquid barrel 4 is connected to the frame assembly 1 and is connected to the nozzle body 262 on the rotating assembly 2; the battery assembly 5 is connected to the frame assembly 1 and is connected to the rotating assembly 2.

[0054] Specific, combined Figure 2 , Figure 3 , Figure 4 As shown, the frame assembly 1 includes a mounting frame 11, an armrest 12, a running wheel assembly 13, and a coding wheel assembly 14; the mounting frame 11 accommodates a coupling liquid barrel 4; mounting feet are extended downward at both ends of the bottom of the mounting frame 11, the running wheel assembly 13 is connected to one end of the bottom of the mounting frame 11 and is connected to the mounting foot, and the coding wheel assembly 14 is connected to the other end of the bottom of the mounting frame 11 and is connected to the mounting foot; the armrest 12 is connected to the top of the mounting frame 11, and the ultrasonic flaw detector host 3 is connected to the armrest 12; the rotating assembly 2 is connected to both sides of the bottom of the mounting frame 11; and the battery assembly 5 is connected to the outer wall of the mounting frame 11.

[0055] Among them, the mounting frame 11 includes a top plate 111, a first side plate 112, a second side plate 113, a bottom frame 114, a limiting rod 115, and a fixing column 116; the first side plate 112 and the second side plate 113 are arranged at intervals, and the structures of the first side plate 112 and the second side plate 113 are basically the same, and the top plate 111 connects the tops of the first side plate 112 and the second side plate 113; this embodiment includes a plurality of limiting rods 115, and the limiting rods 115 connect the rear ends of the first side plate 112 and the second side plate 113, and the front ends can also be connected to the limiting rods 115, but it is subject to not blocking the entrance of the coupling liquid barrel 4.

[0056] The battery assembly 5 includes a battery and a battery mounting seat, wherein the battery mounting seat is connected to the first side plate 112 and the second side plate 113 by bolts, and the battery is connected to the battery mounting seat. The battery assembly 5 provides power for the rotating assembly 2.

[0057] The front end of the mounting frame 11 is the push-in port of the coupling liquid barrel 4; the coupling liquid barrel 4 is filled with coupling liquid, which is pushed into the mounting frame 11 from the front end of the mounting frame 11; the first side plate 112 and the second side plate 113 on the mounting frame 11 are provided with waist-shaped grooves, on which straps can be installed to prevent the coupling liquid barrel 4 from falling off; the bottom of the coupling liquid barrel 4 is connected to the nozzle body 262 on the rotating component 2 through a ball valve and a tee, so as to provide coupling liquid for water wheel flaw detection.

[0058] Both ends of the bottom of the first side plate 112 and the second side plate 113 extend downward to form mounting feet, and the fixing column 116 connects the running wheel assembly 13 to the mounting feet of the first side plate 112 and the second side plate 113, and the fixing column 116 connects the encoding wheel assembly 14 to the mounting feet of the first side plate 112 and the second side plate 113. The fixing column 116 is mainly used to fix the running wheel assembly 13 and the encoding wheel assembly 14.

[0059] The base frame 114 is connected to the top of the running wheel assembly 13 and the encoding wheel assembly 14. In this embodiment, the base frame 114 is responsible for supporting the coupling fluid barrel 4 and installing the rotating assembly 2. The front and rear ends of the base frame 114 both include support frames, which are used to support the coupling fluid barrel 4 and provide space for installing the rotating assembly 2. Figure 5 As shown, after the rotating assembly 2 is installed on the base frame 114 , the top surface of the rotating assembly 2 also forms a T-shaped supporting surface with the supporting frame of the base frame 114 for supporting the coupling liquid barrel 4 .

[0060] like Figure 6As shown, the running wheel assembly 13 includes a running wheel bracket 131 and a running wheel body 132. The bearing is installed on the running wheel body 132 in an interference fit manner. The running wheel shaft passes through the holes on the running wheel bracket 131 and the two bearings respectively. There is a threaded hole on the end face of the running wheel shaft, which is fixed to the running wheel bracket 131 through the threaded hole. The running wheel body 132 can rotate freely around the running wheel shaft.

[0061] like Figure 7 As shown, the encoding wheel assembly 14 includes an encoding wheel bracket 141 and an encoding wheel body 142. The bearings are mounted on the encoding wheel body 142 in an interference fit manner. The encoding wheel shaft is mounted on the inner holes of the two bearings. A magnetic encoder is installed in the encoding wheel shaft, which can convert the mileage data into an electrical signal. There are external threads at both ends of the encoding wheel shaft, and the threads are milled flat. The milled flat part of the encoding wheel shaft is stuck in the corresponding position of the encoding wheel bracket 141 to prevent rotation, and the two ends are fixed with nuts.

[0062] like Figure 8 , Fig. 9 , Fig.10 As shown, the rotating assembly 2 includes a reduction motor 21, a motor fixing plate 22, a rotating arm 23, a water wheel 24, a positioning wheel assembly 25, and a nozzle assembly 26; the motor fixing plate 22 is connected to the bottom of the frame assembly 1, specifically, refer to Figure 5 It can be seen that the motor fixing plate 22 is connected to the base frame 114. The fixed ends of the two reduction motors 21 are connected to the two ends of the motor fixing plate 22, the output shaft of the reduction motor 21 is connected to the top of the rotating arm 23, and the output shaft of the reduction motor 21 and the rotating arm 23 are connected by a key to prevent relative rotation, and a baffle is installed on the end face of the output shaft of the reduction motor 21 to prevent the rotating arm 23 from slipping. The water wheel 24 is connected to the end of the rotating arm 23, and the axis of the water wheel 24 is roughly perpendicular to the rotating arm 23; the positioning wheel assembly 25 is connected to the middle of the rotating arm 23, and the nozzle assembly 26 is connected to the bottom end of the rotating arm 23.

[0063] The rotating assembly 2 has a symmetrical structure, with one motor fixing plate 22 and two other components, so as to realize flaw detection on both sides of the track 9.

[0064] The rotating assembly 2 can drive the water wheel 24 to quickly fit the working position through the rotation of the reduction motor 21. The positioning wheel assemblies 25 on both sides are responsible for clamping the rails, so that the water wheels 24 on both sides are always in the best position for flaw detection relative to the rails.

[0065] In this embodiment, the positioning wheel assembly 25 includes a positioning plate 251 and a positioning wheel body 252. A slot is provided in the middle of the positioning plate 251, the slot is connected to the inner side of the rotating arm 23 and is fastened by screws. The positioning wheel body 252 is connected to the end of the positioning plate 251. The positioning wheel body 252 is tightly attached to the side of the track 9 during flaw detection.

[0066] The nozzle assembly 26 includes a water spray plate 261 and a nozzle body 262. The water spray plate 261 is a bent part. The middle part of the water spray plate 261 is fixedly connected to the bottom of the rotating arm 23 by bolts. The nozzle body 262 connects the two ends of the water spray plate 261. The nozzle body 262 is located on both sides of the water wheel 24. The spray direction of the nozzle body 262 is downward. The nozzle body 262 is connected to the coupling liquid barrel 4 by a hose to spray the coupling liquid.

[0067] Among them, Fig.11 As shown, the arrow direction is the injection direction, the rotating arm 23 has a hole in it to form a liquid adding channel, a liquid adding pipe (not shown in the figure) extends out of the water wheel 24, the liquid adding channel is connected to the liquid adding pipe, the side of the rotating arm 23 is connected to the liquid adding joint 231, and the liquid adding joint 231 is connected to the liquid adding channel. When the water wheel 24 needs to be supplemented with coupling liquid, it can be easily filled from the liquid adding nozzle.

[0068] In this embodiment, the rotating assembly 2 also includes an indexing pin 27, which is connected to both ends of the motor fixing plate 22. The head of the indexing pin 27 can be telescopically inserted into the fixing hole 232 of the rotating arm 23 and is tightened by a locking bolt 233.

[0069] like Fig. 9 As shown, the indexing pin 27 includes a mounting tube, one end of which is a wedge surface, a spring and a plug are placed in the mounting tube, and the tail of the indexing pin is an L-shaped structure, the L-shaped structure is connected to the spring, and the spring is connected to the plug. When the L-shaped structure rotates to a horizontal state, the L-shaped structure pulls the spring and the plug to the left, and the plug retracts into the mounting tube. When the tail of the rotating indexing pin is in a vertical state (the state shown in the figure), the plug pops out forward due to the action of the spring, and is inserted into the corresponding fixing hole 232 of the rotating arm 23, and is tightened by a locking bolt 233 connected to the fixing hole 232 in a radial direction. At this time, after the reduction motor 21 is powered off, the rotating arm 23 will not swing at will, which is convenient for transportation, maintenance and other work.

[0070] Working process of this embodiment:

[0071] like Fig.12 , Fig.13 , Fig.14As shown, the rotating assembly 2 is fixed to the bottom bracket on the frame assembly 1 by bolts, which is used to detect the damage of the rail bottom welds on both sides of the rail. The rotating assembly 2 can rotate the rotating arm 23 to a roughly vertical state through the reduction motor 21. The rotation of the rotating arm 23 drives the water wheel 24 to quickly fit the working position. The positioning wheel bodies 252 on both sides are responsible for clamping the rails, so that the water wheels 24 on both sides are always in the best position for flaw detection relative to the rails. The coupling liquid barrel 4 is filled with coupling liquid, which is pushed into the frame assembly 1 from the front end of the frame assembly 1. The first side plate 112 and the second side plate 113 on the frame assembly 1 have waist-shaped grooves, which can be installed with straps to prevent the coupling liquid barrel 4 from falling off; the bottom of the coupling liquid barrel 4 is connected to the water spray body joint on the rotating assembly 2 through a ball valve and a tee, providing coupling liquid for water wheel flaw detection. The ultrasonic flaw detector host 3 is connected to the frame assembly 1, and the ultrasonic flaw detector is connected to the water wheel 24 through a cable, which is responsible for collecting, analyzing and displaying flaw detection data. The battery assembly 5 is connected to the first side plate 112 and the second side plate 113 on the frame assembly 1 through a battery mounting seat, and is responsible for supplying power to the reduction motor 21 of the rotating assembly 2 .

[0072] The rail bottom rapid scanning trolley adopts a rotating component 2 to detect flaws on both sides of the rail bottom. It integrates an ultrasonic flaw detector host 3 and a coupling liquid barrel 4, and can perform flaw detection during the pushing and walking process. It is more efficient and convenient to use; it can simultaneously identify and appraise the damage of both the inner and outer rail bottoms of the rail; the rail bottom rapid scanning trolley is a beneficial supplement to rail flaw detection, which improves the comprehensive identification of damage conditions of the entire rail, improves detection efficiency, and recognition rate; it is lighter, more convenient to operate, and easier to transport with high integration.

[0073] Embodiment 2:

[0074] like Fig.13 As shown, this embodiment, based on the first embodiment, further includes a balancing rod assembly 6.

[0075] like Fig.15 As shown, the balance bar assembly 6 includes a balance bar fixing seat 61, a balance bar body 62, a balance wheel set 63, an electric push rod 64, a push rod mounting seat 65, a connecting arm 66, and a slide bar 67;

[0076] The balance bar fixing seat 61 is connected to the side bottom of the frame assembly 1. Specifically, the balance bar fixing seat 61 is connected to the outer bottom of the second side plate 113. One end of the balance bar body 62 is rotatably connected to the balance bar fixing seat 61 through a rotating shaft, and the other end is connected to the balance wheel set 63. The balance wheel set 63 includes a triangular frame and two balance wheel bodies. The top of the triangular frame is connected to the balance bar body 62, and the bottom of the triangular frame is respectively connected to the two balance wheel bodies. The balance wheel bodies are rollingly connected to the track 9 when working. The balance bar fixing seat 61 is provided with an arc groove at one end away from the frame assembly 1. The arc groove is arranged roughly vertically. The push rod mounting seat 65 is fixedly connected to the balance bar body 62. One end of the electric push rod 64 is hinged to the push rod mounting seat 65, and the other end is connected to the connecting arm 66. The other end of the connecting arm 66 is connected to the sliding rod 67. The sliding rod 67 passes through the arc groove and is slidably connected thereto.

[0077] After the electric push rod 64 is extended, it pushes the connecting arm 66, drives the slide bar 67 to slide in the arc groove, and synchronously pulls the balance bar body 62 to rotate. The electric push rod 64 is used to adjust the horizontal inclination angle of the frame assembly 1 to ensure that the water wheels 24 on both sides are at a suitable working angle.

[0078] When it is necessary to detect the damage condition of the rail bottom, place the rail bottom quick scanning trolley on the track 9, lower the balance bar assembly 6 to adjust the tilt angle, and then energize the reduction motor 21 of the rotating assembly 2, which will drive the water wheel to automatically adjust to the appropriate position.

[0079] Embodiment three:

[0080] like Fig.16 , Fig.17 As shown, in this embodiment, based on the second embodiment, the rail bottom rapid scanning trolley further includes a rapid installation bracket 7 and a universal ball head assembly 8;

[0081] The universal ball head assembly 8 is connected to the top of the frame assembly 1. Specifically, the bottom of the universal ball head assembly 8 is connected to the handrail 12, and the top is connected to the quick mounting bracket 7. The universal ball head assembly 8 can easily adjust the position and direction of the ultrasonic flaw detector host 3.

[0082] The quick installation bracket 7 includes a support base 71, a support leg 72, at least two movable clamps 73, a tension spring 74, a first screw 75, and a plug screw 76; the two support legs 72 are symmetrically fixedly connected to the bottom of the support base 71, and the support legs 72 are roughly L-shaped and can support the ultrasonic flaw detector host 3.

[0083] The middle part of the two movable clamps 73 is movably connected to the support base 71 through the first screw 75. The movable clamp 73 can rotate around the first screw 75 in a small range. At the same time, a plug screw 76 is installed in the threaded hole at the bottom of the movable clamp 73. The back of the support base 71 is provided with a waist-shaped groove. The plug screw 76 limits the rotation range of the movable clamp 73 within the waist-shaped groove on the support base 71. The bottom end of the movable clamp 73 is slidably connected to the waist-shaped groove of the support base 71, and the two ends of the tension spring 74 are installed on the threaded holes of the movable clamp 73 by screws; when work is needed, the two movable clamps 73 are bent inward by hand, and the ultrasonic flaw detector mainframe 3 is placed horizontally between the movable clamp 73 and the support leg 72, and the movable clamp 73 is loosened. At this time, the movable clamp 73 is stretched outward due to the force of the tension spring 74, and the ultrasonic flaw detector mainframe 3 is firmly clamped.

[0084] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. Rail bottom rapid scanning trolley, characterized in that: Including frame assembly, rotating assembly, ultrasonic flaw detector host, coupling fluid barrel, battery assembly; The rotating assembly is rotatably connected to two sides of the bottom of the frame assembly; The ultrasonic flaw detector host is connected to the frame assembly and connected to the water wheel of the rotating assembly; The coupling liquid barrel is connected to the frame assembly and is connected to the spray head body on the rotating assembly; The battery assembly is connected to the frame assembly and to the rotating assembly.

2. The rail bottom rapid scanning trolley according to claim 1, characterized in that: The frame assembly includes a mounting frame, a handrail, a running wheel assembly, and a coding wheel assembly; The coupling fluid barrel is accommodated inside the mounting frame; Both ends of the bottom of the mounting frame extend downwardly with mounting feet, the running wheel assembly is connected to one end of the bottom of the mounting frame and is connected to the mounting feet, and the encoding wheel assembly is connected to the other end of the bottom of the mounting frame and is connected to the mounting feet; The handrail is connected to the top of the mounting frame, and the ultrasonic flaw detector host is connected to the handrail; The rotating assembly is connected to two sides of the bottom of the mounting frame; The battery assembly is connected to the outer wall of the mounting frame.

3. The rail bottom rapid scanning trolley according to claim 2, characterized in that: The mounting frame includes a top plate, a first side plate, a second side plate, a bottom frame, a limiting rod, and a fixing column; The first side plate and the second side plate are arranged at intervals, the top plate connects the tops of the first side plate and the second side plate; the limit rod connects the rear ends of the first side plate and the second side plate, and the front end of the mounting frame is a coupling liquid barrel push inlet; Both ends of the bottom of the first side plate and the second side plate extend downward to form mounting feet, the fixing column connects the running wheel assembly to the mounting feet of the first side plate and the second side plate, and the fixing column connects the encoding wheel assembly to the mounting feet of the first side plate and the second side plate; The base frame is connected to the top of the running wheel assembly and the encoding wheel assembly.

4. The rail bottom rapid scanning trolley according to claim 2, characterized in that: The running wheel assembly comprises a running wheel bracket and a running wheel body, wherein the running wheel body is connected to the running wheel shaft, and both ends of the running wheel shaft are connected to the running wheel bracket; The coding wheel assembly comprises a coding wheel bracket and a coding wheel body. The coding wheel body is connected to a coding wheel shaft, and two ends of the coding wheel shaft are connected to the coding wheel bracket.

5. The rail bottom rapid scanning trolley according to claim 1, characterized in that: The rotating assembly includes a reduction motor, a motor fixing plate, a rotating arm, a water wheel, a positioning wheel assembly, and a nozzle assembly; The motor fixing plate is connected to the bottom of the frame assembly, the fixed end of the reduction motor is connected to the motor fixing plate, and the output shaft of the reduction motor is connected to the top of the rotating arm; The water wheel is connected to the end of the rotating arm; The positioning wheel assembly is connected to the middle part of the rotating arm, and the spray head assembly is connected to the bottom end of the rotating arm.

6. The rail bottom rapid scanning trolley according to claim 5, characterized in that: The positioning wheel assembly includes a positioning plate and a positioning wheel body, the middle of the positioning plate is connected to the rotating arm, the positioning wheel body is connected to the end of the positioning plate, and the positioning wheel body is in close contact with the side of the track during flaw detection; The nozzle assembly includes a water spray plate and a nozzle body. The middle of the water spray plate is fixedly connected to the bottom of the rotating arm. The nozzle body is connected to both ends of the water spray plate. The nozzle body is connected to the coupling liquid barrel through a hose.

7. The rail bottom rapid scanning trolley according to claim 5, characterized in that: A liquid adding channel is arranged in the rotating arm, a liquid adding pipe extends out of the water wheel, the liquid adding channel is communicated with the liquid adding pipe, a liquid adding joint is connected to the side of the rotating arm, and the liquid adding joint is connected with the liquid adding channel.

8. The rail bottom rapid scanning trolley according to claim 5, characterized in that: It also includes an indexing pin, which is connected to both ends of the motor fixing plate, and the head of the indexing pin can be telescopically inserted into the fixing hole of the rotating arm.

9. The rail bottom rapid scanning trolley according to claim 1, characterized in that: It also includes a universal ball head assembly and a quick installation bracket, one end of the universal ball head assembly is connected to the top of the frame assembly, the other end of the universal ball head assembly is connected to the quick installation bracket, and the ultrasonic flaw detector host is connected to the quick installation bracket.

10. The rail bottom rapid scanning trolley according to claim 9, characterized in that: The quick installation bracket includes a support base, a support leg, at least two movable clamps, and a tension spring; the support leg is fixedly connected to the bottom of the support base, the middle part of the movable clamp is movably connected to the support base through a first screw, the bottom end of the movable clamp is slidably connected to the waist-shaped groove of the support base, and the two ends of the tension spring are respectively connected to the two movable clamps.

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